Paul Coleman

Prof

19942015
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Research Output 1994 2015

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Article
2015
2 Citations (Scopus)
69 Downloads (Pure)

Observation of residual disorder in the centre of amorphous solid water films after pore collapse at 125K

Townrow, S. & Coleman, P. G., 2 Nov 2015, In : Journal of Physics: Condensed Matter . 27, 47, 4 p., 475007.

Research output: Contribution to journalArticle

Open Access
File
disorders
porosity
Water
water
Vapor deposition
2 Citations (Scopus)
disorders
porosity
Water
water
Vapor deposition
3 Citations (Scopus)
positronium
Activation energy
Spectroscopy
activation energy
Heating
2014
5 Citations (Scopus)

Positron annihilation studies of fluorine-vacancy complexes in phosphorus- and fluorine-implanted germanium

Edwardson, C. J., Coleman, P. G. & El Mubarek, H. A. W., Mar 2014, In : Semiconductor Science and Technology. 29, 3, 035005.

Research output: Contribution to journalArticle

Germanium
Positron annihilation
Fluorine
positron annihilation
Phosphorus
3 Citations (Scopus)
Sublimation
Ice
positronium
Positrons
positron annihilation
2013
1 Citation (Scopus)
91 Downloads (Pure)

Observations of the growth and sublimation of water ice films by variable-energy positron annihilation spectroscopy

Townrow, S., Coleman, P. G., Wu, Y. C., Jiang, J. & Wang, S. J., 2013, In : Journal of Physics: Conference Series. 443, 1, 4 p., 012058.

Research output: Contribution to journalArticle

Open Access
File
positron annihilation
sublimation
ice
water
spectroscopy
3 Citations (Scopus)
108 Downloads (Pure)

Positronium formation in methanol and ethanol

Coleman, P., Culver, N. J. & Dowler, B. M. W., 31 Jan 2013, In : Physical Review A: Atomic, Molecular, and Optical Physics. 87, 1, 3 p., 012712.

Research output: Contribution to journalArticle

Open Access
File
positronium
ethyl alcohol
methyl alcohol
positrons
molecules
2 Citations (Scopus)
101 Downloads (Pure)

Positronium formation in molecular oxygen

Archer, J., Trilov, S. M. & Coleman, P. G., 2013, In : Journal of Physics: Conference Series. 443, 1, 4 p., 012001.

Research output: Contribution to journalArticle

Open Access
File
positronium
positrons
oxygen
thresholds
ionization
14 Citations (Scopus)

The effect of vacancies on the microwave surface resistance of niobium revealed by positron annihilation spectroscopy

Romanenko, A., Edwardson, C. J., Coleman, P. G. & Simpson, P. J., 10 Jun 2013, In : Applied Physics Letters. 102, 23, 232601.

Research output: Contribution to journalArticle

positron annihilation
niobium
microwaves
cavities
spectroscopy
2012
8 Citations (Scopus)

A positron annihilation study of corrosion of aluminum and aluminum alloy by NaOH

Wu, Y. C., Zhai, T. & Coleman, P. G., 2012, In : Metallurgical and Materials Transactions A. 43, 8, p. 2823-2831

Research output: Contribution to journalArticle

Positron annihilation
positron annihilation
Aluminum
aluminum alloys
Aluminum alloys
1 Citation (Scopus)
100 Downloads (Pure)

Defects in TiO 2 films on p +-Si studied by positron annihilation spectroscopy

Coleman, P. G., Edwardson, C. J., Zhang, A., Ma, X., Pi, X. & Yang, D., 15 May 2012, In : Materials Science and Engineering : B. 177, 8, p. 625-628 4 p.

Research output: Contribution to journalArticle

Open Access
File
Positron annihilation spectroscopy
positron annihilation
Annealing
Defects
annealing
3 Citations (Scopus)
98 Downloads (Pure)

Positron annihilation studies of fluorine-vacancy complexes in Si and SiGe

Edwardson, C. J., Coleman, P. G., El Mubarek, H. A. W. & Gandy, A. S., 1 Jan 2012, In : Journal of Applied Physics. 111, 7, p. 073510

Research output: Contribution to journalArticle

Open Access
File
positron annihilation
fluorine
positrons
secondary ion mass spectrometry
laminates
7 Citations (Scopus)

Positron annihilation studies of the AlO xSiO 2Si interface in solar cell structures

Edwardson, C. J., Coleman, P. G., Li, T. T. A., Cuevas, A. & Ruffell, S., 2012, In : Journal of Applied Physics. 111, 5, 053515.

Research output: Contribution to journalArticle

positron annihilation
solar cells
positrons
annealing
trapping
2 Citations (Scopus)

Vacancy-type defects created by single-shot and chain ion implantation of silicon

Coleman, P. G., Edwardson, C. J., Knights, A. P. & Gwilliam, R. M., Feb 2012, In : New Journal of Physics. 14, 025007.

Research output: Contribution to journalArticle

shot
ion implantation
defects
silicon
interstitials
2011
7 Citations (Scopus)
104 Downloads (Pure)

Activation energies for vacancy migration, clustering and annealing in silicon

Coleman, P. G., 2011, In : Journal of Physics: Conference Series. 265, 1, 12 p., 012001.

Research output: Contribution to journalArticle

File
activation energy
annealing
silicon
positronium
in situ measurement
3 Citations (Scopus)

Corrosion of pure aluminium and aluminium alloy: A comparative study using a slow positron beam

Wu, Y. C., Li, P. H., Xue, X. D., Wang, S. J., Kallis, A., Coleman, P. G. & Zhai, T., 2011, In : Journal of Physics: Conference Series. 262, 1, 4 p., 012065.

Research output: Contribution to journalArticle

aluminum alloys
positrons
corrosion
aluminum
defects
5 Citations (Scopus)
102 Downloads (Pure)

Development of a spin-polarised positron beam

Coleman, P. G. & Kallis, A., 2011, In : Journal of Physics: Conference Series. 262, 1, 4 p., 012016.

Research output: Contribution to journalArticle

File
positrons
polarization
backups
beryllium
depolarization
2 Citations (Scopus)
106 Downloads (Pure)

Energy dependence of the positronium formation cross-section in argon

Thornton, M. J. & Coleman, P. G., 28 Jul 2011, In : Journal of Physics B: Atomic Molecular and Optical Physics. 44, 14, 145201.

Research output: Contribution to journalArticle

Open Access
File
positronium
positrons
argon
cross sections
energy
1 Citation (Scopus)
91 Downloads (Pure)

Ice and atoms: Experiments with laboratory-based positron beams

Coleman, P. G., 2011, In : Journal of Physics: Conference Series. 262, 1, 4 p., 012015.

Research output: Contribution to journalArticle

File
positrons
ice
atomic physics
atoms
positronium
21 Citations (Scopus)
116 Downloads (Pure)

Porosity and crystallization of water ice films studied by positron and positronium annihilation

Wu, Y. C., Jiang, J., Wang, S. J., Kallis, A. & Coleman, P. G., 29 Aug 2011, In : Physical Review B. 84, 6, 064123.

Research output: Contribution to journalArticle

File
Ice
positronium
Positrons
Crystallization
positron annihilation
2 Citations (Scopus)

Positron and positronium studies of silica aerogel

Edwardson, C. J., Grogan, M. D. W., Birks, T. A. & Coleman, P. G., 2011, In : Journal of Physics: Conference Series. 262, 1, 4 p., 012018.

Research output: Contribution to journalArticle

aerogels
positronium
positrons
silicon dioxide
positron annihilation
1 Citation (Scopus)
99 Downloads (Pure)

Probing the formation of silicon nano-crystals (Si-ncs) using variable energy positron annihilation spectroscopy

Knights, A. P., Bradley, J. D. B., Hulko, O., Stevanovic, D. V., Edwards, C. J., Kallis, A., Coleman, P. G., Crowe, I. F., Halsall, M. P. & Gwilliam, R. M., 2011, In : Journal of Physics: Conference Series. 262, 1, 4 p., 012031.

Research output: Contribution to journalArticle

File
positron annihilation
silicon
spectroscopy
crystals
damage
5 Citations (Scopus)
102 Downloads (Pure)

The evolution of vacancy-type defects in silicon-on-insulator structures studied by positron annihilation spectroscopy

Coleman, P. G., Nash, D., Edwardson, C. J., Knights, A. P. & Gwilliam, R. M., 1 Jul 2011, In : Journal of Applied Physics. 110, 1, 3 p., 016104.

Research output: Contribution to journalArticle

File
positron annihilation
insulators
defects
silicon
spectroscopy
2010
20 Citations (Scopus)
105 Downloads (Pure)
File
positronium
rare gases
positrons
krypton
neon
12 Citations (Scopus)
105 Downloads (Pure)

Structural and phase changes in amorphous solid water films revealed by positron beam spectroscopy

Wu, Y. C., Kallis, A., Jiang, J. & Coleman, P. G., 6 Aug 2010, In : Physical Review Letters. 105, 6, 4 p., 066103.

Research output: Contribution to journalArticle

File
positrons
crystallization
positron annihilation
water
spectroscopy
2009
18 Citations (Scopus)

Coupling between positron-atom scattering channels above the first inelastic threshold

Coleman, P. G., Cheesman, N. & Lowry, E. R., 1 May 2009, In : Physical Review Letters. 102, 17, 3 p., 173201.

Research output: Contribution to journalArticle

positronium
xenon
positrons
thresholds
scattering
24 Citations (Scopus)

Enhancement of electroluminescence from TiO[sub 2]/p[sup +]-Si heterostructure-based devices through engineering of oxygen vacancies in TiO[sub 2]

Zhang, Y., Ma, X., Chen, P., Li, D., Pi, X., Yang, D. & Coleman, P. G., 21 Dec 2009, In : Applied Physics Letters. 95, 25, 252102.

Research output: Contribution to journalArticle

3 Citations (Scopus)

Enhancement of phosphorus activation in vacancy engineered thin silicon-on-insulator substrates

Smith, A. J., Gwilliam, R. M., Stolojan, V., Knights, A. P., Coleman, P. G., Kallis, A. & Yeong, S. H., 15 Nov 2009, In : Journal of Applied Physics. 106, 10, 103514.

Research output: Contribution to journalArticle

2008
15 Citations (Scopus)

Activation energies for the formation and evaporation of vacancy clusters in silicon

Abdulmalik, D. & Coleman, P. G., 7 Mar 2008, In : Physical Review Letters. 100, 9, 4 p., 095503.

Research output: Contribution to journalArticle

5 Citations (Scopus)

Back to the future: Polarised positron beams

Coleman, P. & POTTER, N., 31 Oct 2008, In : Applied Surface Science. 255, 1, p. 101-103 3 p.

Research output: Contribution to journalArticle

7 Citations (Scopus)

Modification of silicon waveguide structures using ion implantation induced defects

Knights, A., Dudeck, K., Walters, W. & Coleman, P., Oct 2008, In : Applied Surface Science. 255, 1, p. 75-77 3 p.

Research output: Contribution to journalArticle

Silicon
Ion implantation
Waveguides
Defects
Annealing
1 Citation (Scopus)

Observation of vacancy defects at silicon grain boundaries formed via suppressed solid phase epitaxy

Dudeck, K. J., Walters, W. D., Knights, A. P. & Coleman, P., 2008, In : Journal of Physics D: Applied Physics. 41, 5, 055102.

Research output: Contribution to journalArticle

1 Citation (Scopus)

Useful vacancies: Positron beam interrogation of fluorine-vacancy complexes in semiconductor device structures

Coleman, P. & Abdulmalik, D., 31 Oct 2008, In : Applied Surface Science. 255, 1, p. 71-74 4 p.

Research output: Contribution to journalArticle

2007
2 Citations (Scopus)

Defect profiles in semiconductor structures

Coleman, P., Sep 2007, In : physica status solidi c. 4, 10, p. 3620-3626 7 p.

Research output: Contribution to journalArticle

2 Citations (Scopus)

Fluorine-vacancy complexes in Si-SiGe-Si structures

Abdulmalik, D. A., Coleman, P. G., El Mubarek, H. A. W. & Ashburn, P., 2007, In : Journal of Applied Physics. 102, 1

Research output: Contribution to journalArticle

Implantation profile of Na-22 continuous energy spectrum positrons in silicon

Foster, P. J., Mascher, P., Knights, A. P. & Coleman, P. G., 2007, In : Journal of Applied Physics. 101, 4

Research output: Contribution to journalArticle

Internal surfaces of voids and cavities in silicon probed by Positron Annihilation Spectroscopy

Potter, N. R. & Coleman, P., Sep 2007, In : Physica Status Solidi (C). 4, 10, p. 3637-3641 5 p.

Research output: Contribution to journalArticle

Investigation of electric fields in B-implanted Si by positron beam spectroscopy

Abdulmalik, D. A. & Coleman, P., 2007, In : Physica Status Solidi (C) Current Topics in Solid State Physics. 4, 10, p. 3664-3667 4 p.

Research output: Contribution to journalArticle

positrons
depletion
electric fields
spectroscopy
ions
50 Citations (Scopus)

Leakage current and charge trapping behavior in TiO2/SiO2 high-kappa gate dielectric stack on 4H-SIC substrate

Mahapatra, R., Chakraborty, A. K., Poolamai, N., Horsfall, A., Chattopadhyay, S., Wright, N. G., Coleman, K. S., Coleman, P. G. & Burrows, C. P., 2007, In : Journal of Vacuum Science & Technology B. 25 Jan-Feb, 1, p. 217-223 7 p.

Research output: Contribution to journalArticle

14 Citations (Scopus)

Monovacancy and interstitial migration in ion-implanted silicon

Coleman, P. G. & Burrows, C. P., 2007, In : Physical Review Letters. 98, 26, p. 265502 1 p.

Research output: Contribution to journalArticle

7 Citations (Scopus)

Positron depth profiling in solid surface layers

Grynszpan, R. I., Anwand, W., Brauer, G. & Coleman, P. G., 2007, In : Annales De Chimie-Science Des Materiaux. 32 Jul-Aug, 4, p. 365-382 18 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)

Positron spectroscopy of high-k dielectric films on SiC

Coleman, P., Burrows, C. P., Mahapatra, R. & Wright, N. G., Sep 2007, In : physica status solidi c. 4, 10, p. 3668-3671 4 p.

Research output: Contribution to journalArticle

7 Citations (Scopus)

The formation, migration, agglomeration and annealing of vacancy-type defects in self-implanted Si

Coleman, P. G., Harding, R. E., Davies, G., Tan, J. & Wong-Leung, J., 2007, In : Journal of Materials Science-Materials in Electronics. 18, 7, p. 695-700 6 p.

Research output: Contribution to journalArticle

3 Citations (Scopus)

The response of open-volume defects in Si0.92Ge0.08 to annealing in nitrogen or oxygen ambient

Abdulmalik, D. A., Coleman, P. G., Su, H. Z., Haddara, Y. M. & Knights, A. P., 2007, In : Journal of Materials Science-Materials in Electronics. 18, 7, p. 753-757 5 p.

Research output: Contribution to journalArticle

5 Citations (Scopus)

Vacancy-type defects in TiO2/SiO2/SiC dielectric stacks

Coleman, P. G., Burrows, C. P., Mahapatra, R. & Wright, N. G., 2007, In : Journal of Applied Physics. 102, 1

Research output: Contribution to journalArticle

2006
3 Citations (Scopus)

A technique for positron spectroscopy of monovacancies formed by low-temperature ion implantation of silicon

Mason, R. E. & Coleman, P. G., 2006, In : Applied Surface Science. 252, 9, p. 3228-3230 3 p.

Research output: Contribution to journalArticle

3 Citations (Scopus)

Characterization of a SiC/SiC composite by X-ray diffraction, atomic force microscopy and positron spectroscopies

Brauer, G., Anwand, W., Eichhorn, F., Skorupa, W., Hofer, C., Teichert, C., Kuriplach, J., Cizek, J., Prochazka, I., Coleman, P. G., Nozawa, T. & Kohyama, A., 2006, In : Applied Surface Science. 252, 9, p. 3342-3351 10 p.

Research output: Contribution to journalArticle

Characterization of thermally oxidized Ti/SiO2 gate dielectric stacks on 4H-SiC substrate

Mahapatra, R., Poolamai, N., Chattopadhyay, S., Wright, N. G., Chakraborty, A. K., Coleman, K. S., Coleman, P. G. & Burrows, C. P., 2006, In : Applied Physics Letters. 88, 7

Research output: Contribution to journalArticle

9 Citations (Scopus)

Corrosion properties of duplex treated Ti-6Al-4V alloy in chloride media using electrochemical and positron annihilation spectroscopy techniques

Khaled, M. M., Yilbas, B. S., Al-Qaradawi, I. Y., Coleman, P. G., Abdulmalik, D., Seddigi, Z. S., Abulkibash, A., Abu-Sharkh, B. F. & Emad, M. M., 2006, In : Surface & Coatings Technology. 201, 3-4, p. 932-937 6 p.

Research output: Contribution to journalArticle

18 Citations (Scopus)

Fluorine-vacancy complexes in ultrashallow B-implanted Si

Abdulmalik, D. A., Coleman, P. G., Cowern, N. E. B., Smith, A. J., Sealy, B. J., Lerch, W., Paul, S. & Cristiano, F., 2006, In : Applied Physics Letters. 89, 5

Research output: Contribution to journalArticle